BookFactory Black Engineering Notebook/Graph Paper Notebook/Quadrille 4 X 4 Quad Ruled Book - 96 Pages (.25" Lab Grid Format), 8" x 10", Black Cover, Smyth Sewn Hardbound (LIRPE-096-SGR-A-LKT4) Hardbound book with durably coated, black imitation leather cover and stamped with "ENGINEERING NOTEBOOK" Smyth sewn -- book lies flat when open, professionaly bound. Tamper-evident, archival quality, acid-free paper in 1/4" (6 mm) grid format Page Dimensions: 8" x 10", Features a "User Data" page, a "Documentation Guidelines" page, and a "Table of Contents" page BookFactory is a Veteran-Owned Firm. We Proudly Produce Our Books in Ohio, USA.